InChI=1S/C28H42O2/c1-17(2)18(3)7-8-19(4)22-9-10-23-26-24(12-14-28(22,23)6)27(5)13-11-21(29)15-20(27)16-25(26)30/h10,17,19-22,29H,3,7-9,11-16H2,1-2,4-6H3/t19-,20-,21+,22-,27+,28-/m1/s1